17 couples on Facebook who are ruining love for everybody.

It's okay to hate the Facebook couple. In fact, it's human nature. A recent study found that people who are vocal about their committed relationships on Facebook are liked the least by others. So not only is it a common reaction to be irritated or grossed out by Facebook PDA, science proves that it's downright inevitable. So if you want to be liked on Facebook, here are 17 couples you should try not to emulate.